1 files changed, 7 insertions, 0 deletions
diff --git a/synapse/federation/transaction_queue.py b/synapse/federation/transaction_queue.py
index c94c74a67e..51b656d74a 100644
--- a/synapse/federation/transaction_queue.py
+++ b/synapse/federation/transaction_queue.py
@@ -462,6 +462,13 @@ class TransactionQueue(object):
                     code = e.code
                     response = e.response
 
+                    if e.code == 429 or 500 <= e.code:
+                        logger.info(
+                            "TX [%s] {%s} got %d response",
+                            destination, txn_id, code
+                        )
+                        raise e
+
                 logger.info(
                     "TX [%s] {%s} got %d response",
                     destination, txn_id, code